816334524 has 60 divisors (see below), whose sum is σ = 2144353288. Its totient is φ = 270799200.

The previous prime is 816334517. The next prime is 816334553. The reversal of 816334524 is 425433618.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 62394 + ... + 74334.

Almost surely, 2^816334524 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 816334524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1072176644).

816334524 is an abundant number, since it is smaller than the sum of its proper divisors (1328018764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

816334524 is a wasteful number, since it uses less digits than its factorization.

816334524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12168 (or 12157 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 816334524 is about 28571.5684553719. The cubic root of 816334524 is about 934.5934248015.

The spelling of 816334524 in words is "eight hundred sixteen million, three hundred thirty-four thousand, five hundred twenty-four".